EP0740628B1 - Appareil de separation d'une partie d'un empilage a l'aide d'un element de separation, et dispositif de prehension d'un repere saillant - Google Patents

Appareil de separation d'une partie d'un empilage a l'aide d'un element de separation, et dispositif de prehension d'un repere saillant Download PDF

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Publication number
EP0740628B1
EP0740628B1 EP95905673A EP95905673A EP0740628B1 EP 0740628 B1 EP0740628 B1 EP 0740628B1 EP 95905673 A EP95905673 A EP 95905673A EP 95905673 A EP95905673 A EP 95905673A EP 0740628 B1 EP0740628 B1 EP 0740628B1
Authority
EP
European Patent Office
Prior art keywords
stack
conveyor
gripper
separator element
count object
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95905673A
Other languages
German (de)
English (en)
Other versions
EP0740628A1 (fr
Inventor
Jouni Suokas
Jouni RÄMÖ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jomet Oy
Original Assignee
Jomet Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jomet Oy filed Critical Jomet Oy
Publication of EP0740628A1 publication Critical patent/EP0740628A1/fr
Application granted granted Critical
Publication of EP0740628B1 publication Critical patent/EP0740628B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/32Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
    • B65H3/322Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile for separating a part of the pile, i.e. several articles at once
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00Packaging other articles presenting special problems
    • B65B25/14Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B65B25/141Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging flat articles in boxes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00Automatic control, checking, warning, or safety devices
    • B65B57/20Applications of counting devices for controlling the feed of articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/422Handling piles, sets or stacks of articles

Definitions

  • the present invention relates to an apparatus as set forth in the preamble of the annexed claim 1 for packaging article goods forming a stack.
  • the Finnish patent 87438 discloses an apparatus which utilizes a count object for packaging envelopes in batches of a certain size, said count object being pushed out at fixed spaces when feeding the envelopes into a continuous stack advancing on a conveyor and having the envelopes in a vertical plane.
  • This type of apparatus is also known from the US patent 3562775.
  • the principle in these solutions is the use of a special detector for detecting the arrival of the count object in a separation zone, followed by pushing an elongated separator element through the entire width of the stack transversely to the stack advancing direction for separating from the leading end of the stack a stack portion of a certain size, which is pushed aside for further processing in view of packaging the same.
  • a gap is formed by means of the separator element preferably between the counting object and the leading end of a stack in front of it.
  • the separator element In order to separate this stack portion to form a distinctly detached unit, the separator element must produce a sufficiently clear gap.
  • the prior art solutions have employed separator elements which penetrate into a stack through its entire width and, in addition, the Finnish patent 87438 discloses a solution in which the separator element is further divided into two horizontal blades for supporting the stack both in the upper and lower part. This makes sure that the stack portion remains well separated as the conveyor pushes a continuous stack into said separation zone.
  • An object of the invention is to introduce a novel type of apparatus capable of providing equally good separation without having to provide respective elements with movement ranges that would be as long as those used before.
  • an apparatus of the invention is principally characterized by what is set forth in the characterizing clause of the annexed claim 1.
  • the displacer device which is adapted to carry out said separation, is provided with a special gripper which is adapted to hold on to the protruding edge of the count object. This provides a firm grip of the stack and, thus, the separator element can produce a distinct separation between the stacks.
  • the illustrated apparatus comprises a conveyor 1, such as a belt conveyor advancing e.g. at a table level A (fig. 2).
  • the conveyor is supplied with article goods, comprising flexible thin articles, generally paper goods, into a continuous stack P in such a manner that the individual articles form a stack resting against the conveyor and having the articles in a vertical plane.
  • article goods comprising flexible thin articles, generally paper goods
  • the feeding apparatus for effecting this is prior known and, in this respect, reference is made e.g. to the Finnish patent 87438 and US-patent 3562775.
  • the conveyor 1 terminates upstream of a displacement area which can be an extension of the same table that the advancing conveyor 1 is level with.
  • the apparatus includes a displacer device for separating stack portions in the displacement area and for displacing the same aside for subsequent operations.
  • the continuous stack advances on top of a table into the displacement area under the action of the conveyor 1 and is held at this point in a sufficiently compressed condition by a counterweight 3, adapted to travel under the control of guides extending parallel to the stack advancing direction and to compress against the first specimen or object of the stack by an appropriately produced force, such as a spring force, a suspended weight pulling the counterweight by way of a rope, or the counterweight's own, sufficiently great mass.
  • the displacer device is located along one side of the stack advancing path and includes a separator element 4, comprising a separating wedge penetrating into the stack from the side, as well as a pusher element 5 for pushing a stack portion formed in the displacement area between the separating wedge and the counterweight 3 aside for further processing, for example into the range of action of a gripper, one of the jaws of said gripper being shown in fig. 1 by reference numeral 8.
  • the displacer device is also provided with a detector 6 for the edge of a count object, positioned in such a manner that the count object 2 comes into contact therewith as the stack advances whereby the detector 6 produces a signal.
  • the detector can be e.g. a conventional micro-switch operating on the contact principle.
  • the signal is transmitted to a gripper 7 for clasping its jaws around the edge of the count object 2.
  • the gripper 7 is located at the bottom portion of the stack and, immediately after the gripper has completed its action, the above-mentioned separator element 4 penetrates into the stack just before the count object 2 for producing a gap between the gripper-held count object 2 and a stack portion downstream thereof.
  • the separator element 4 only penetrates through a part of the stack width, a small distance from the outer stack edge towards the interior. As shown especially in fig.
  • one jaw of the gripper comprises a plate 7a placing itself transversely across the advancing path of the count object 2 and the other jaw comprises a nose 7b extending towards the plate from the stack incoming direction and having its end bevelled to align with the surface of said plate 7a.
  • the gripper 7 and the separator element 4 can be stationary in the apparatus, the direction of movement of the separating wedge being slightly slanting against the stack advancing direction for producing a sufficient gap. According to a preferred embodiment, those can be made movable by means of an actuator against the stack incoming direction, whereby the separating wedge may move perpendicularly to the stack advancing path.
  • the separator element 4 penetrates a small distance into the stack at the end of the sub-frame movement under the pushing action from said actuator 12.
  • Figs. 3 and 4 further depict the disposition of components included in the sub-frame B: the plate 7a forming the fixed jaw for the gripper is provided with a recess, wherethrough a strip-like sensor element included in the detector 6 extends from the surface of the plate 7a further in the stack incoming direction and produces the action of the moving component of the gripper 7 when being compressed backwards under the pushing action from the count object 2.
  • the separator element 4 is located in front of the plate 7a and its surface facing the stack incoming direction is perpendicular to the stack advancing direction.
  • the front face of the pusher element 5 said front face being parallel to the stack edge, pushes the stack portion from between the count object 2 and the counterweight 3 into the operating range of the gripper performing the final packaging.
  • the counterweight 3 includes a backing surface which extends in the pushing direction for guiding the stack portion together with an opposing adjustable backing 11.
  • the pusher element 5 can be e.g.
  • a horizontal frame assembled from metal profiles and mounted on the body of the displacer device so as to effect a reciprocating action by means of an actuator along guides that are perpendicular to the conveyor advancing direction.
  • the separator element 4 and the gripper 7 return to the initial position assumed prior to motions or actions effected by the count object 2, and the gripper 7 releases the count object 2, which at the same time, comes into contact with the side face of the pusher element through the action of the conveyor.
  • This side face is also provided with a protrusion 9 for setting the free-movement capable counting object 2 flush with the rest of the stack.
  • the counterweight 3 When the stack portion has left the separation zone, the counterweight 3 is again able to move against the first specimen or object of the stack arriving on the sorting table, said specimen being the count object 2 that has been set flush with the rest of the stack in the above-mentioned manner.
  • the pusher element 5 also retracts.
  • the counterweight 3 As shown in figs. 2 and 3, the counterweight 3 is provided with backing surfaces, located above and below the pusher element 5 and fastened to a carriage movable on the body of the displacer device.
  • the pusher element 5 and the counterweight 3 can be positioned so as not to interfere with each other's actions.
  • the return action of the counterweight 3 can also be accomplished by its own cylinder, which is actuated when the pusher 5 is sufficiently far away.
  • the stack P advances on the sorting table until the next count object 2 reaches the detector 4 and the same operations are repeated.
  • the actions of various components in the apparatus and the synchronization thereof can be accomplished by means of actuators and control elements known from automatics.
  • the actuators producing the actions of various components can be provided e.g. by using pneumatic cylinders.
  • the conveyor 1 can be in a continuous motion during the above displacement actions since the material in a stack is capable of compressing when a stack portion is separated, the count object 2 not being able to advance forward.
  • the invention can be applied for packaging any paper goods or article goods forming a stack which is characterized by count objects protruding from the stack at set spaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forming Counted Batches (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Packaging Of Special Articles (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Special Conveying (AREA)

Claims (5)

  1. Appareil pour l'emballage de marchandises formant une pile, comportant un transporteur (1) prévu pour transporter une pile continue formée par des objets individuels disposés dans un plan vertical, tels que des enveloppes, dans une direction d'avance parallèle à un niveau de table, ainsi qu'un dispositif de déplacement le long d'un côté de la trajectoire d'avance de pile pourvu d'un détecteur (6) pour un objet de comptage (2) qui dépasse de la pile, d'un élément de séparateur (4) prévu pour pénétrer dans la pile afin de produire un espace entre une partie de pile devant être séparée en premier de la pile et le reste de la pile, ainsi qu'un élément de poussée (5) qui est disposé à l'avant de l'élément de séparateur (4) dans la direction d'avance du transporteur (1) et prévu pour se déplacer sur la trajectoire d'avance de pile afin de déplacer ladite partie de pile vers une autre unité de traitement disposée le long de l'autre côté de la trajectoire d'avance, caractérisé en ce que l'élément de séparateur (4) est aligné avec un dispositif de saisie (7) qui est prévu pour serrer l'objet de comptage (2) qui dépasse.
  2. Appareil selon la revendication 1, caractérisé en ce que, dans sa position de serrage, ledit dispositif de saisie (7) est prévu pour se déplacer à l'encontre de la direction d'avance du transporteur (1).
  3. Appareil selon la revendication 2, caractérisé en ce que l'élément de séparateur (4) est rendu mobile avec le dispositif de saisie (7).
  4. Appareil selon l'une quelconque des revendications précédentes 1 à 3, caractérisé en ce qu'une action de poussée effectuée par l'élément de séparateur (4) est limitée à juste une partie de la largeur de la pile.
  5. Procédé d'emballage de marchandises formant une pile, dans lequel une pile continue reposant contre un transporteur et avec les articles individuels dans un plan vertical est amené par le transporteur dans une direction parallèle à un niveau de table jusqu'à une zone de déplacement, où des parties de pile sont déplacées de côté pour des opérations consécutives à l'aide d'articles qui dépassent de la pile et formant des objets de comptage, qui sont détectés au moyen d'un détecteur destiné à déplacer une partie de pile en avant de l'objet de comptage, caractérisé en ce qu'un espace entre la partie de pile et le reste de la pile est formé en saisissant l'objet de comptage par un dispositif de saisie (7) et en déplaçant le dispositif de saisie à l'encontre de la direction d'avance du transporteur.
EP95905673A 1994-01-28 1995-01-25 Appareil de separation d'une partie d'un empilage a l'aide d'un element de separation, et dispositif de prehension d'un repere saillant Expired - Lifetime EP0740628B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI940416A FI94042C (fi) 1994-01-28 1994-01-28 Laitteisto pinkassa olevan paperitavaran pakkaamiseksi
FI940416 1994-01-28
PCT/FI1995/000032 WO1995020523A1 (fr) 1994-01-28 1995-01-25 Appareil de separation d'une partie d'un empilage a l'aide d'un element de separation, et dispositif de prehension d'un repere saillant

Publications (2)

Publication Number Publication Date
EP0740628A1 EP0740628A1 (fr) 1996-11-06
EP0740628B1 true EP0740628B1 (fr) 1999-06-16

Family

ID=8539782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95905673A Expired - Lifetime EP0740628B1 (fr) 1994-01-28 1995-01-25 Appareil de separation d'une partie d'un empilage a l'aide d'un element de separation, et dispositif de prehension d'un repere saillant

Country Status (8)

Country Link
US (1) US6006499A (fr)
EP (1) EP0740628B1 (fr)
JP (1) JPH09508090A (fr)
DE (1) DE69510325T2 (fr)
DK (1) DK0740628T3 (fr)
ES (1) ES2135041T3 (fr)
FI (1) FI94042C (fr)
WO (1) WO1995020523A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97355C (fi) * 1995-01-04 1996-12-10 Jopamac Ab Oy Laitteisto pinkassa olevan paperitavaran pakkaamiseksi
JP2008512321A (ja) * 2004-09-13 2008-04-24 ミードウエストベコ・コーポレーション 封筒束および封筒束のパッケージの組立方法
US7789226B2 (en) 2004-09-13 2010-09-07 Meadwestvaco Corporation Packaged banded envelopes
EP3590850B1 (fr) * 2018-07-02 2021-05-05 H+H GmbH & Co. KG Procédé et dispositif d'empilement et d'emballage de produits pliés
EP3934751B1 (fr) 2019-03-08 2024-07-17 Mevion Medical Systems, Inc. Collimateur et dégradeur d'énergie pour système de thérapie par particules

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000151A (en) * 1956-05-11 1961-09-19 Berkley Machine Co Method and apparatus for forming and wrapping packs of envelopes and similar articles
US3562775A (en) * 1968-05-09 1971-02-09 Crown Envelope Corp Envelope boxing method and apparatus
US3648431A (en) * 1969-05-05 1972-03-14 Crown Zellerbach Corp In-line banding apparatus
BE788494A (fr) * 1971-09-17 1973-01-02 Bobst Fils Sa J Dispositif selecteur et separateur
CH630860A5 (fr) * 1979-05-18 1982-07-15 Bobst Sa Dispositif pour recevoir et empaqueter des boites pliantes confectionnees par une plieuse-colleuse.
JPS60132849A (ja) * 1983-12-21 1985-07-15 Kanzaki Paper Mfg Co Ltd シ−ト束給送方法
US4873813A (en) * 1984-02-27 1989-10-17 International Paper Box Machine Co., Inc. Method of packaging box flats
US4765451A (en) * 1984-05-14 1988-08-23 International Paper Box Machine Co., Inc. Apparatus and method for segregating counted slugs of flats
FR2597847B1 (fr) * 1986-04-29 1989-04-21 Chambon Machines Machine de reception et d'empilage de flans decoupes
DE3641859A1 (de) * 1986-12-08 1988-06-09 Ficker Otto Ag Verfahren zum automatischen verpacken von briefhuellen und versandtaschen in ein behaeltnis und verpackungsautomat insbesondere zum durchfuehren der verfahren
IT1201604B (it) * 1986-12-16 1989-02-02 Wramatic Spa Apparecchiatura e metodo per la selezione automatica di grandi risme sfuse a partire da un pacco di fogli impilati provvisto di segnalini definenti le risme
CH680126A5 (fr) * 1989-10-12 1992-06-30 Schneider Engineering
US5017085A (en) * 1989-11-14 1991-05-21 Maruishi Iron Works Co., Ltd. Method and apparatus for separating paper sheets into units and distributing them

Also Published As

Publication number Publication date
FI940416A0 (fi) 1994-01-28
DE69510325T2 (de) 1999-11-04
ES2135041T3 (es) 1999-10-16
DE69510325D1 (de) 1999-07-22
JPH09508090A (ja) 1997-08-19
EP0740628A1 (fr) 1996-11-06
WO1995020523A1 (fr) 1995-08-03
FI94042C (fi) 1995-07-10
US6006499A (en) 1999-12-28
FI94042B (fi) 1995-03-31
DK0740628T3 (da) 2000-01-17

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